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    • University of Missouri-Columbia
    • Graduate School - MU Theses and Dissertations (MU)
    • Theses and Dissertations (MU)
    • Dissertations (MU)
    • 2006 Dissertations (MU)
    • 2006 MU dissertations - Freely available online
    • View Item
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    A behavior genetic study of self-harm, suicidality, and personality in white and African-American women

    Durrett, Christine, 1977-
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    Date
    2006
    Format
    Thesis
    Metadata
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    Abstract
    This study is an examination of genetic and environmental risk leading to suicidal and self-harm behaviors in a representative sample of female young adult twins, and racial differences in the strength of those risk factors. Suicidal and self-harm behaviors proved moderately heritable. They were moderately genetically correlated, and weakly environmentally correlated. Self-harm but not suicide attempts also had unique genetic variance. The personality traits of Neuroticism and Novelty Seeking, as well as internalizing and externalizing diagnoses were genetically correlated with self-harm and suicide attempts. After accounting for genetic influence common to personality, diagnoses, and self-harm or suicide attempts, self-harm but not suicide attempts had unique genetic variance remaining. When examined by race, suicidal behaviors were more common in African American than White women, while self-harm was equally prevalent. The heritability of self-harm and suicide attempts did not vary by race, nor did personality traits or diagnostic status differentially predict them.
    URI
    https://doi.org/10.32469/10355/4424
    https://hdl.handle.net/10355/4424
    Degree
    Ph. D.
    Thesis Department
    Psychological sciences (MU)
    Rights
    OpenAccess.
    Collections
    • 2006 MU dissertations - Freely available online
    • Psychological Sciences electronic theses and dissertations (MU)

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